	public class stringMeth
	{
		public static void main(String[] felight)
			{
/*String str1 = "Felight";
String str2 = "Rocks";
if(str1 == str2)
System.out.println("the string is equal");
else
System.out.println("the string is not equal");

stringMeth emp1 = new stringMeth();
stringMeth emp2 = emp1;
if(emp1.equals(emp2))
System.out.println("true");
else
System.out.println("false"); */

	int N=7777777;
	long t;
	{
		StringBuffer sb = new StringBuffer();
		t=System.currentTimeMillis();
		for (int i=N ; i-->0;)
		{
			sb.append("");
		}
		System.out.println(System.currentTimeMillis() - t);
	}
	{
		StringBuilder sb = new StringBuilder();
		t= System.currentTimeMillis();
		for (int i=N; i-->0;)
			{
				sb.append("");
			}
		System.out.println(System.currentTimeMillis() - t);
	}
	}
}